import axios from "axios";
import { ElMessage } from 'element-plus'
import 'element-plus/theme-chalk/el-message.css'
import { useUserStore } from '@/stores/userStore.js'
import router from "@/router/index.js";

const httpInstance = axios.create({
    baseURL: 'https://pcapi-xiaotuxian-front-devtest.itheima.net', // 1. 接口基地址
    timeout: 50000,  // 2. 接口超时设置
});
// 拦截器基础架子
// 3. 请求拦截器
httpInstance.interceptors.request.use(config => {
    // 配置每次请求携带token
    // 1. 从pinia中获取token数据
    const userStore = useUserStore();
    // 2. 按照后端的要求拼接token数据
    const token = userStore.userInfo.token;
    if (token) {
        config.headers.Authorization = `Bearer ${token}`;
    }
    return config;
}, e => Promise.reject(e));

// 4. 响应拦截器
httpInstance.interceptors.response.use(res => {
    return res.data
}, e => {
    const userStore = useUserStore();
    // 统一错误提示
    ElMessage({
        type: 'warning',
        message: e.response.data.message
    })
    // 401 token失效处理
    // 1. 清楚本地用户数据
    // 2. 跳转登录页
    if (e.response.status === 401) {
        userStore.clearUserInfo()
        router.push('/login')
    }
    return Promise.reject(e)
})

export default httpInstance;